User Authentication and Single Sign-On 

There are several mechanisms for user authentication available on the SAP NetWeaver Application Server (AS). If you have several systems in your system landscape, the Single Sign-On (SSO) environment is a useful feature, to reduce the number of logon procedures a user usually has to perform.

The is the underlying technology for authenticating users with the AS. The following table gives an overview of the available user authentication services and if the service is used directly for user authentication or for SSO.

Mechanism	User Authenti-cation	Single Sign-On	ABAP	Java
User ID and password	x	x	x	x
Secure Network Communications (SNC)	x	x	x
Logon tickets		x	x	x
SSL and X.509 client certificates	x	x	x	x
Security Assertion Markup Language (SAML)		x		x
Java Authentication and Authorization Service (JAAS)	x	x		x

 

More Information: Single Sign-On in a System Landscape in the SAP NetWeaver by Key Capability documentation.